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gh-157639: Fix use-after-free when an external timer re-enters the profiler #209882

gh-157639: Fix use-after-free when an external timer re-enters the profiler

gh-157639: Fix use-after-free when an external timer re-enters the profiler #209882

Triggered via pull request September 17, 2026 16:27
Status Cancelled
Total duration 23m 55s
Artifacts 2

build.yml

on: pull_request
Change detection  /  Create context from changed files
14s
Change detection / Create context from changed files
Matrix: Address sanitizer
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests
Matrix: build-ubuntu
Matrix: build-windows
Matrix: cifuzz
Docs  /  Doctest
7m 50s
Docs / Doctest
Docs  /  Check EPUB
2m 18s
Docs / Check EPUB
Check if Autoconf files are up to date
29s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 22s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
11s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
5m 50s
Ubuntu (installed) / build, install and test
iOS
23m 16s
iOS
Emscripten  /  build and test
16m 13s
Emscripten / build and test
WASI  /  build and test
5m 18s
WASI / build and test
Hypothesis tests on Ubuntu
9m 32s
Hypothesis tests on Ubuntu
Cross build Linux
4m 46s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
1m 46s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
5s
All required checks pass
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27 errors, 7 warnings, and 2 notices
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
Process completed with exit code 2.
Windows (free-threading) / Build and test (x64, tail-call)
Process completed with exit code 2.
Ubuntu (free-threading) / build and test (ubuntu-26.04)
Process completed with exit code 2.
macOS (free-threading) / build and test (macos-26)
Process completed with exit code 2.
Windows / Build and test (Win32, switch-case)
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
Windows (free-threading) / Build and test (x64, switch-case)
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
Windows (free-threading) / Build and test (x64, switch-case)
The operation was canceled.
Windows (free-threading) / Build and test (arm64, switch-case)
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
Windows (free-threading) / Build and test (arm64, switch-case)
The operation was canceled.
Sanitizers / UBSan
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
Sanitizers / UBSan
The operation was canceled.
Sanitizers / TSan (free-threading)
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
Sanitizers / TSan (free-threading)
The operation was canceled.
macOS / build and test (macos-26-intel)
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
macOS / build and test (macos-26-intel)
The operation was canceled.
iOS
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
iOS
The operation was canceled.
All required checks pass
Process completed with exit code 1.
Tests
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
Tests
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
Tests
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
Tests
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
Tests
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
Tests
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
Tests
Canceling since a higher priority waiting request for Tests-lazerg-fix-issue-157639 exists
Cross build Linux: Parser/lexer/string.c#L81
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
Ubuntu (installed) / build, install and test: Parser/lexer/string.c#L81
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Address sanitizer (ubuntu-26.04): Parser/lexer/string.c#L81
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26-intel)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Windows / Build and test (arm64, switch-case)
"The windows-11-arm label will migrate to use Visual Studio 2026 by default beginning September 21, 2026. For more information see https://github.com/actions/runner-images/issues/14602"
Windows (free-threading) / Build and test (arm64, switch-case)
"The windows-11-arm label will migrate to use Visual Studio 2026 by default beginning September 21, 2026. For more information see https://github.com/actions/runner-images/issues/14602"

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default
363 Bytes
sha256:3c62ece18c7f66c6b4cedc424b822834ce3d38d7f8d96ffc8f17e90b6d38af43
html-ids-head.json.gz
129 KB
sha256:ac6cc65c3c96bba10f9876d25abc3200164640a3008158acba3a70ddee2c3f45